1 /* $NetBSD: sysv_shm_14.c,v 1.1 1999/08/25 04:47:12 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/signal.h> 43 #include <sys/proc.h> 44 #include <sys/mount.h> 45 #include <sys/shm.h> 46 47 #define SYSVSHM 48 49 #include <sys/syscallargs.h> 50 51 void 52 shmid_ds14_to_native(oshmbuf, shmbuf) 53 struct shmid_ds14 *oshmbuf; 54 struct shmid_ds *shmbuf; 55 { 56 57 ipc_perm14_to_native(&oshmbuf->shm_perm, &shmbuf->shm_perm); 58 59 #define CVT(x) shmbuf->x = oshmbuf->x 60 CVT(shm_segsz); 61 CVT(shm_lpid); 62 CVT(shm_cpid); 63 CVT(shm_nattch); 64 CVT(shm_atime); 65 CVT(shm_dtime); 66 CVT(shm_ctime); 67 #undef CVT 68 } 69 70 void 71 native_to_shmid_ds14(shmbuf, oshmbuf) 72 struct shmid_ds *shmbuf; 73 struct shmid_ds14 *oshmbuf; 74 { 75 76 native_to_ipc_perm14(&shmbuf->shm_perm, &oshmbuf->shm_perm); 77 78 #define CVT(x) oshmbuf->x = shmbuf->x 79 CVT(shm_segsz); 80 CVT(shm_lpid); 81 CVT(shm_cpid); 82 CVT(shm_nattch); 83 CVT(shm_atime); 84 CVT(shm_dtime); 85 CVT(shm_ctime); 86 #undef CVT 87 } 88 89 int 90 compat_14_sys_shmctl(p, v, retval) 91 struct proc *p; 92 void *v; 93 register_t *retval; 94 { 95 struct compat_14_sys_shmctl_args /* { 96 syscallarg(int) shmid; 97 syscallarg(int) cmd; 98 syscallarg(struct shmid_ds14 *) buf; 99 } */ *uap = v; 100 struct shmid_ds shmbuf; 101 struct shmid_ds14 oshmbuf; 102 int cmd, error; 103 104 cmd = SCARG(uap, cmd); 105 106 if (cmd == IPC_SET) { 107 error = copyin(SCARG(uap, buf), &oshmbuf, sizeof(oshmbuf)); 108 if (error) 109 return (error); 110 shmid_ds14_to_native(&oshmbuf, &shmbuf); 111 } 112 113 error = shmctl1(p, SCARG(uap, shmid), cmd, 114 (cmd == IPC_SET || cmd == IPC_STAT) ? &shmbuf : NULL); 115 116 if (error == 0 && cmd == IPC_STAT) { 117 native_to_shmid_ds14(&shmbuf, &oshmbuf); 118 error = copyout(&oshmbuf, SCARG(uap, buf), sizeof(oshmbuf)); 119 } 120 121 return (error); 122 } 123